The most common and most likely answer to this crossword clue is the 9 letter word PLEADINGS
I've seen this crossword clue in Independent
P
L
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A
D
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S
Buddy explains!

The straight part
We know that "legal statements" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case legal statements = pleadings.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does PLEADINGS mean?
PLEADINGS noun- The act of making a plea.
- A document filed in a lawsuit, particularly a document initiating litigation or responding to the initiation of litigation.